The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 1992
Filed:
Apr. 30, 1991
Applicant:
Inventors:
Joseph L Glajch, Nashua, NH (US);
Gary L Loomis, Drexel Hill, PA (US);
Walter Mahler, Wilmington, DE (US);
Assignee:
Du Pont Merck Pharmaceutical Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61B / ;
U.S. Cl.
CPC ...
424-9 ; 12866202 ;
Abstract
The invention relates to ultrasound contrast agents comprising porous particles of an inorganic material containing an entrapped gas or liquid and having an average particle diameter of about 0.05 to 500 microns, said inorganic material being selected from one or more of the group consisting of: monomeric or polymeric borates; monomeric or polymeric aluminas; monomeric or polymeric carbonates; monomeric or polymeric silicas; and monomeric or polymeric phosphates; and pharmaceutically acceptable organic or inorganic cationic salts thereof.